This article needs additional citations for verification. (January 2017)
|Ab urbe condita||2177|
|Balinese saka calendar||1345–1346|
|English Regnal year||2 Hen. 6 – 3 Hen. 6|
|Chinese calendar||癸卯年 (Water Rabbit)|
4120 or 4060
— to —
甲辰年 (Wood Dragon)
4121 or 4061
|- Vikram Samvat||1480–1481|
|- Shaka Samvat||1345–1346|
|- Kali Yuga||4524–4525|
|Japanese calendar||Ōei 31|
|Minguo calendar||488 before ROC|
|Thai solar calendar||1966–1967|
1550 or 1169 or 397
— to —
1551 or 1170 or 398
|Wikimedia Commons has media related to 1424.|
- June 2 – Battle of L'Aquila: Jacopo Caldora and Micheletto Attendolo, for the Kingdom of Naples, defeat Braccio da Montone, for Alfonso V of Aragon.
- August 17 – Battle of Verneuil: An English force under John, Duke of Bedford defeats a larger French army under the Duke of Alençon, John Stewart, and Earl Archibald of Douglas. Alençon is captured and Douglas killed.
- Dalmatia: Aliota Capenna, lord of Lesina (nowadays Hvar), offers his realm to the Republic of Venice (also said to have occurred in 1409 and 1421).
- January 1 – Louis IV, Elector Palatine (1436–1449) (d. 1449)
- June 9 – Blanche II of Navarre (d. 1464)
- August – Demetrios Chalkokondyles, Greek scholar (d. 1511)
- October 31 – King Władysław III of Poland (d. 1444)
- December 8 – Anselm Adornes, Merchant, politician and diplomat (d. 1483)
- December 25 – Margaret Stewart, Dauphine of France (d. 1445)
- August 10 or 1426 – Boniface III, Marquess of Montferrat (d. 1494)
- date unknown – Abu Sa'id Mirza, ruler of Persia and Afghanistan (d. 1469)
- January 4 – Muzio Sforza, Italian condottiero
- January 8 – Stephen Zaccaria, Latin Archbishop of Patras
- April 14 – Lucia Visconti, English countess (b. 1372)
- May 10 – Emperor Go-Kameyama of Japan
- June 5 – Braccio da Montone, Italian condottiero
- June 10 – Duke Ernest of Austria (b. 1377)
- June 16 – Johannes Ambundii, Archbishop of Riga
- August 12 – Yongle Emperor of China (b. 1360)
- August 17 – John Stewart, Earl of Buchan (b. c. 1381)
- September 17 – Catherine, Princess of Asturias, Austrian royal (b. 1422)
- October 11 – Jan Žižka, Czech general and Hussite leader
- date unknown – Joan II, Countess of Auvergne (b. 1378)
- probable – Johannes Abezier, provost and bishop of the Teutonic Knights (b. 1380)
- Richard Wadge. "The Battle of Verneuil: a second Agincourt". The History Press. Retrieved February 27, 2021.
- Stephanopoli, Dimo (1799). Voyage de Dimo et Nicolo Stephanopoli en Grèce,: pendant les années V et VI. Paris: Guilleminet.
- Catholic Church. Province of Canterbury (England). Archbishop (1414-1443 : Chichele) (1938). The Register of Henry Chichele, Archbishop of Canterbury, 1414-1443. Clarendon Press. p. lx.
- Japan Society of London (1925). Transactions and Proceedings of the Japan Society, London. Kegan Paul, Trench, Trübner and Company. p. 112.